Sherwood 20R Acoustic Guitar Amp

Sherwood 20R Acoustic Guitar Amplifier (Carlsbro)

The Sherwood 20R is Carlsbro’s compact acoustic guitar combo — 20 watts of solid-state amplification voiced for the natural sound of an acoustic instrument, in a tilt-back cabinet small enough for home practice and strong enough for solo sets in cafés and small venues. Carlsbro’s Sherwood line is one of the longest-running names in acoustic amplification, and the 20R distils it for the solo singer-player: one channel for the guitar, one for a microphone, and a genuine spring reverb over both.

The speaker is a 6.5-inch full-range unit with a coaxial tweeter, a layout that keeps the acoustic guitar’s top-end detail intact instead of muffling it the way electric-guitar speakers do. Each input has its own level control, the guitar channel carries a 3-band EQ with a swept midrange for cutting feedback-prone frequencies, and an MP3/line input plus a headphone output cover backing tracks and silent practice.

Key features

• 20 W acoustic guitar combo from Carlsbro’s Sherwood series
• 6.5-inch full-range speaker with coaxial tweeter
• Separate guitar (jack) and microphone (XLR) inputs, each with its own level
• 3-band EQ with swept midrange for feedback control
• Real spring reverb with a variable send
• MP3/line input for backing tracks and headphone output for quiet practice
• Tilt-back cabinet design for floor or tabletop use
• Lightweight 10.5 kg format for busking and small gigs

For the solo performer

A guitar, a voice and this amplifier are a complete small-venue rig. The microphone channel means a singer-player needs no separate PA for café sets, church halls, garden parties and busking pitches, and the swept-mid EQ is the professional touch: it lets you notch out the exact frequency that starts to ring when you turn up, instead of turning everything down.

At home

For practice, the headphone socket keeps late sessions silent, the line input plays reference tracks and lessons through the same speaker your guitar uses, and the tilt-back cabinet points the sound at your ears rather than your knees. Acoustic players upgrading from playing unplugged will notice the difference a voiced acoustic amp makes over borrowing an electric-guitar amp.

Heritage

Carlsbro designed some of the first dedicated acoustic amplifiers, and the Sherwood name has been attached to them for over thirty years. The 20R keeps the formula honest — no modelling menus or app pairing, just inputs, EQ, spring reverb and a speaker chosen for acoustic instruments.

For solo acoustic players who sing, the Sherwood 20R is a complete, carry-it-yourself performance system with a proper acoustic pedigree.

Ownership notes

Spring reverb tanks dislike hard knocks in transport, so carry the 20R by its handle and set it down rather than dropping it the last inch. The tilt-back cabinet works on floors and tabletops alike; on stage, the tilt points the speaker at the player, which doubles as a personal monitor. Keep the grille clean with a soft brush, store the amp dry, and it will keep the warm, unhurried character the Sherwood name is known for, season after season.